Bitcoin 5-Minute Market Orderbook Depth — 2026-10-11

On 2026-10-11, full orderbook depth was captured for 158 Polymarket BTC 5-minute Up/Down market rounds — approximately 30,814 bid/ask snapshots totalling 202.4 MB of JSONL. Each snapshot lists every price level and size for both the Up and Down side.

158
Rounds recorded
~30,814
Depth snapshots
202.4 MB
Raw size
1.1¢
Avg opening spread
Up side, best ask − best bid

Replay the day's most active round

btc-updown-5m-1791702300_orderbook.jsonl produced 1.52 MB of snapshots — the deepest recording of 2026-10-11. Watch both books evolve from open to resolution: the Up-side spread tightened from 1¢ to 1¢ as the outcome crystallised. Bars show size at each level, scaled within each ladder.

4.99 min left
frame 1/48▸ auto-playing — drag to scrubUp-side spread: 1¢
UP token
4.99 min remaining
pricesize
0.3225
0.3125
0.375
0.2959
0.2885
0.2775
0.2620.43
0.2535
0.2430
0.2375
0.22155
0.211,573.09
spread1¢
0.223.12
0.1920
0.1845
0.17100
0.1695
0.15325
0.14122
0.13145
0.12104.43
0.11465
0.1931
0.092,513.01
DOWN token
4.99 min remaining
pricesize
0.93656.01
0.92755.31
0.912,523.01
0.9946.17
0.89475
0.88144.43
0.87185
0.86132
0.85315
0.84105
0.83180
0.8265.41
spread1¢
0.81176.5
0.844.06
0.791,673.09
0.78195
0.77115
0.7640
0.7535
0.7430.43
0.7385
0.72145
0.7159
0.785

Showing 48 sampled snapshots, 12 levels nearest the touch on each side. The raw JSONL carries the complete ladder — every level, every ~1.5 seconds, for both tokens.

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